If you want Bougainvillea to bloom profusely all year round, you must get fertilizing just right.
What is the best fertilizer for Bougainvillea?
Generally, when we grow Bougainvillea in pots at home, for the sake of convenience, we can just use a multi-element mixed fertilizer to supplement it, because multi-element mixed fertilizers contain nitrogen, phosphorus, potassium and trace elements. No nutrient is lacking, so it can both let it grow and let it bloom in the right season.
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Use the multi-element mixed fertilizer as described above, but the amount of blooming will not be very large. To make it bloom more and bloom more times, we must control water and fertilize. I will not say much about water control here, I have said it many times before. For fertilizing, choose as much as possible a multi-element mixed fertilizer based mainly on phosphorus and potassium, because it needs to grow branches and bloom, and you cannot use potassium dihydrogen phosphate alone. If you used a lot of multi-element mixed fertilizer in the early stage and the plant grew well, when you want it to bloom you can use pure potassium dihydrogen phosphate to promote blooming. But if you have been using potassium dihydrogen phosphate all along in the early stage, it will cause it to lack other elements, causing yellow leaves and, due to the lack of other nutrients, causing it not to grow.
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There are many multi-element mixed fertilizers based mainly on phosphorus and potassium. For example, Huaduoduo and Aolü both have separate multi-element mixed fertilizers based mainly on phosphorus and potassium. Using them for it is very good. When fertilizing, there must be an interval between applications. The interval between each fertilizing stage must be at least seven to ten days. Continuous fertilizing over a short period easily burns its root system and can also cause its leaves to turn yellow and rot. Be sure to pay attention to this point.
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Also, Bougainvillea must be given sufficient light, and the soil mix should be loose and breathable. After it finishes blooming, be sure to prune the branches in time. If you want it to bloom many times, you must control water. These are the key points for growing Bougainvillea well.
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